Spatial distribution of Arctic tidal dynamics and analysis of tidal wave propagation characteristics

Li Gaojin; Luo Zhehui; Cai Huayang; Li Bo; Cao Yonggang; Ou Suying

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Li Gaojin，Luo Zhehui，Cai Huayang, et al. Spatial distribution of Arctic tidal dynamics and analysis of tidal wave propagation characteristics[J]. Haiyang Xuebao，2025, 47(x)：1–13

Citation:

Li Gaojin，Luo Zhehui，Cai Huayang, et al. Spatial distribution of Arctic tidal dynamics and analysis of tidal wave propagation characteristics[J]. Haiyang Xuebao，2025, 47(x)：1–13

Citation:

Li Gaojin，Luo Zhehui，Cai Huayang, et al. Spatial distribution of Arctic tidal dynamics and analysis of tidal wave propagation characteristics[J]. Haiyang Xuebao，2025, 47(x)：1–13

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Spatial distribution of Arctic tidal dynamics and analysis of tidal wave propagation characteristics

Li Gaojin^{1, 2, 3, 4
,},
Luo Zhehui^{1, 2, 3, 4},
Cai Huayang^{1, 2, 3, 4, 5
,
,},
Li Bo^{1, 2, 3, 4},
Cao Yonggang^{6, 7},
Ou Suying^{1, 2, 3, 4}

1.
Institute of Estuarine and Coastal Research/School of Marine Engineering and Technology, Sun Yat-sen University, Guangzhou 510275, China
2.
State and Local Joint Engineering Laboratory of Estuarine Hydraulic Technology, Guangzhou 510275, China
3.
Guangdong Provincial Engineering Research Center of Coasts, Islands and Reefs, Guangzhou 510275, China
4.
Southern Laboratory of Ocean Science and Engineering (Zhuhai), Zhuhai 519000, China
5.
Key Laboratory of Comprehensive Observation of Polar Environment (Sun Yat-Sen University), Ministry of Education, Zhuhai 519082, China
6.
South China Sea Marine Survey Center, Ministry of Natural Resources. Guangzhou 510300, China
7.
Key Laboratory of Marine Environmental Survey Technology and Application, Ministry of Natural Resources, Guangzhou 510300, China

Received Date: 2024-10-25
Rev Recd Date: 2025-03-19

Available Online: 2025-04-24

Abstract

Abstract

The Arctic has become a global strategic focal point due to its rich mineral resources, navigational routes, and unique geopolitical landscape. Understanding the tidal dynamics in Arctic waters is key to assessing its environmental patterns and resource development potential. This study analyzes the primary tidal characteristics and tidal wave propagation in the Arctic Ocean using oceanographic statistical methods, based on the Arc5km2018 Arctic tidal model and the ArcTiCA tidal dataset. The results show that semi-diurnal tides dominate the region, with the M₂ tidal constituent being the most significant, reaching amplitudes of up to 1.2 m, while the central areas exhibit much smaller amplitudes (less than 0.1 m). In coastal and archipelago regions, shallow-water tides significantly influence tidal asymmetry, with the absolute value of the tidal asymmetry coefficient exceeding 0.2. Due to complex topography and coastlines, multiple counterclockwise amphidromic points and tidal convergence zones, formed by the confluence of various tidal waves, are present in the Arctic. Tidal waves primarily propagate from the Norwegian Sea into the Barents Sea, and from the Greenland Sea toward the East Siberian Sea, Chukchi Sea, and the Parry Archipelago, with propagation speeds generally not exceeding 200 m/s, and being positively correlated with the square root of water depth. The amplitude gradient is generally below 5 × 10⁻³ km⁻¹. This study provides critical data to support the integrated management and resource development of the Arctic region.
- harmonic constants,
- tidal types,
- tidal wave propagation,
- tidal asymmetry,
- propagation speed

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References(36)

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